Previous slideNext slideFlushometers/Royal®ROYAL 603 ESS2 variationsRoyal® Concealed Sensor Hardwired Water Closet FlushometerFlush Volume (gpf)1.281.6Water EfficiencyHigh Efficiency Low Consumption Find partsWhere to buyAdd to DesignSpecSpecificationsFeaturesPERMEX® Synthetic Rubber Diaphragm with Dual Filtered Fixed BypassValve body, Cover, Tailpiece and Control Stop shall be in compliance with ASTM Alloy Classification for Semi-Red BrassValve shall be in compliance to the applicable sections of ASSE 1037DownloadsVideos